Chirfi Guindo

Entity
Individual
Business address
C/O Biogen Inc., 225 Binney St., 02142 Cambridge, MA
Signature Ownership
/s/ Kelly Grez, as attorney-in-fact for Mr. Chirfi Guindo
All SEC filings
View on sec.gov
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Chirfi Guindo has filed 28 SEC EDGAR filings since 11/16/2017

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Aug 5, 2025 Aug 4, 2025 001-06571
4 Open Document Open Filing 4 Jun 6, 2025 Jun 4, 2025 001-39208
4 Open Document Open Filing PRIMARY DOCUMENT May 1, 2025 Apr 29, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jan 29, 2025 Jan 27, 2025 001-06571
4 Open Document Open Filing 4 Dec 4, 2024 Dec 2, 2024 001-39208
3 Open Document Open Filing 3 Dec 4, 2024 Dec 2, 2024 001-39208
4 Open Document Open Filing PRIMARY DOCUMENT Aug 6, 2024 Aug 5, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2024 Apr 30, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Aug 4, 2023 Aug 3, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 4, 2023 May 2, 2023 001-06571
3/A Open Document Open Filing PRIMARY DOCUMENT Apr 28, 2023 Jul 1, 2022 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Aug 4, 2022 Aug 3, 2022 001-06571
3 Open Document Open Filing PRIMARY DOCUMENT Jul 8, 2022 Jul 1, 2022 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Feb 23, 2022 Feb 18, 2022 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 15, 2022 Feb 12, 2022 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2022 Feb 10, 2022 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jan 21, 2022 Jan 19, 2022 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Jun 9, 2021 Jun 7, 2021 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 22, 2021 Feb 18, 2021 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 17, 2021 Feb 12, 2021 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Dec 3, 2020 Dec 1, 2020 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2020 Feb 12, 2020 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Dec 3, 2019 Dec 1, 2019 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2019 Feb 12, 2019 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Dec 4, 2018 Dec 1, 2018 000-19311
4/A Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2018 Dec 1, 2017 000-19311
4 Open Document Open Filing PRIMARY DOCUMENT Dec 5, 2017 Dec 1, 2017 000-19311
3 Open Document Open Filing PRIMARY DOCUMENT Nov 16, 2017 Nov 7, 2017 000-19311